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Gradual hair relaxation composition
   
Document Number
US Patent 6488920
Issued Date
December 3, 2002
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Abstract
A hair relaxation composition is provided. The hair relaxation comprises an activator containing a thiosulfate compound, an acidifier that preferably does not impart a color change to the hair, and a catalyst. The composition has a pH ranging from about 3.0 to about 4.5. A method for relaxing hair is also provided. A composition as described above is applied to the hair. The composition is allowed to remain on the hair for a period of time ranging from about 10 minutes to about 60 minutes. The composition is removed from the hair. The application, standing and removal steps are then repeated.
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Number of Claims:
16
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Published
December 3, 2002
Application Number
09/615,443
Filed
July 13, 2000
US Classification
424/70.1   424/70.2 424/70.5
Int'l Classification
A61K   8/19   (20060101)   A61K   8/27   (20060101)   A61K   8/20   (20060101)   A61Q   5/04   (20060101)   A61K   8/30   (20060101)   A61K   8/60   (20060101)   A61K   8/36   (20060101)   A61K   8/362   (20060101)   A61K   8/365   (20060101)   A61K   8/67   (20060101)   A61K   8/46   (20060101)  
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Parent Case
CROSS-REFERENCE TO RELATED APPLICATION This application claims priority of International Patent Application No. PCT/US99/28729, filed Dec. 2, 1999, which claims the benefit of U.S. Provisional Patent Application No. 60/110,611 filed Dec. 2, 1998, the entire disclosures of which are herein incorporated by reference.
USPTO Field of Search
424/70.1   424/70.2   424/70.4   424/70.5  
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